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HBASE-3878 Hbase client throws NoSuchElementException 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1102416 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2011-05-12 18:47:06 +00:00
parent 1bf409f052
commit e218325a61
2 changed files with 12 additions and 2 deletions
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5
CHANGES.txt
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@ -251,6 +251,11 @@ Release 0.91.0 - Unreleased
HBASE-3839 Add monitoring of currently running tasks to the master and
RS web UIs
Release 0.90.4 - Unreleased
BUG FIXES
HBASE-3878 Hbase client throws NoSuchElementException (Ted Yu)
Release 0.90.3 - Unreleased
BUG FIXES

9
src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
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@ -30,6 +30,7 @@ import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeMap;
@ -1059,8 +1060,12 @@ public class HConnectionManager {
// we need to examine the cached location to verify that it is
// a match by end key as well.
if (!matchingRegions.isEmpty()) {
HRegionLocation possibleRegion =
matchingRegions.get(matchingRegions.lastKey());
HRegionLocation possibleRegion = null;
try {
possibleRegion = matchingRegions.get(matchingRegions.lastKey());
} catch (NoSuchElementException nsee) {
LOG.warn("checkReferences() might have removed the key", nsee);
}
// there is a possibility that the reference was garbage collected
// in the instant since we checked isEmpty().